Geum macrophyllum

Geum macrophyllum, commonly known as largeleaf avens or large-leaved avens[1] is a flowering plant found from the Arctic south to the northern U.S. states, and in the Rocky Mountains and west to the Sierra Nevada in California and as far south as Northwestern Mexico.

Large-Leaved Avens
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Geum
Species:
G. macrophyllum
Binomial name
Geum macrophyllum
Varieties
  • G. m. var. macrophyllum
  • G. m. var. perincisum
Geum macrophyllum in fruit

It is even more distinctive in fruit than in flower, with spiky spheres of reddish styles[2]. The fruits are a ball of tiny velcro like hooks that catch on clothing and animal hair.

Uses
Flowers and Fruit of a Bigleaf Avens

The Squamish made a diuretic tea out of the leaves. The Haida made a steam bath with boiled roots to treat rheumatic pain.[3]

References
  1. "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2014-10-23. Retrieved 2014-10-17.
  2. Elizabeth Wenk (2015). Wildflowers of the High Sierra and the John Muir Trail. Wilderness Press. ISBN 978-0-89997-738-6.
  3. Jim Pojar and Andy MacKinnon, ed. (2014). Plants of the Pacific Northwest Coast. British Columbian Ministry of Forests. ISBN 978-1-77213-008-9.

Media related to Geum macrophyllum at Wikimedia Commons


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